MLB Betting Promos: Best Promo Codes & Offers March

This guide will cover the top MLB betting promos, provide insight as to what each of these MLB betting sites offers in terms of introductory MLB betting bonuses and then show you how to sign up for these MLB promos at MLB betting apps and sites. Here's an overview of seven of the best MLB betting promos available now on sports betting sites.

BetMGM MLB Betting Promo

The BetMGM bonus code ROTOSPORTS has peak value in terms of first bet offers, as its $1,500 ceiling is higher than can be found at most competitors. With this deal, if your opening wager loses, you will then get a refund in the form of bonus bets, up to $1,500. 

Bettors in Arizona, Colorado, Massachusetts, Maryland, Michigan, New Jersey, North Carolina, Pennsylvania, Virginia, West Virginia and Washington D.C can use the BetMGM bonus code ROTOBG150 to unlock a Bet $10, Get $150 in Bonus Bets if You Win promo. If your qualifying bet settles as a win, you will get three $50 bonus bets. 

How to Claim The BetMGM Bonus Code

1. ✅ Begin by tapping a BET NOW button below to get to a BetMGM sign-up page.
2. ✅ Fill out this page by typing in some basic info such as name, address and email address, as well as putting the BetMGM bonus code ROTOSPORTS or the BetMGM bonus code ROTOBG150 in the promo code box.
3. ✅ Verify your location in a state where BetMGM is live and legal and confirm you are 21+ years of age.
4. ✅ Connect a banking method and deposit at least $10 into your new BetMGM account.
5. ✅ Make a qualifying first wager.

Caesars Sportsbook MLB Betting Promo

When you sign up with Caesars Sportsbook promo code ROTODYW, you'll receive the welcome offer of Bet $1 and Get 10 100% Profit Boosts. The profit boosts can be used on any wager of $25 or less, and the maximum additional winnings you can receive per boosted bet is $2,500.

The profit boosts or bonus bet must be used within 14 days.

Additionally, Caesars Sportsbook is expected to offer some of the best Missouri sportsbook promos to MLB fans later this year, once MO online sports betting launches.

How to Claim The Caesars Sportsbook Promo Code

1. ✅ To sign up for this deal, just tap a BET NOW button below.
2. ✅ You'll then need to input some general info to create an account. Don't forget to enter ROTODYW or ROTO1000 into the promo code box to lock in the offer.
3. ✅ There is a "know your customer" requirement that requires you to confirm your current location as being somewhere that Caesars Sportsbook operates. You'll then need to show that you are 21+ years old.
4. ✅ Caesars Sportsbook has a minimum initial deposit of $10.
5. ✅ After that deposit is made, pick your opening bet and then start using your profit boosts.

Fanatics Sportsbook MLB Betting Promo

The Fanatics Sportsbook promo code is a perfect fit for those who like daily MLB betting, as it gives new customers the ability to get a bonus bet up to $100 every day for up to 10 days after you create a new Fanatics Sportsbook account.

All you need to do is make a qualifying bet (which is a real-money standard odds wager at -500 odds or longer). If your wager loses, Fanatics Sportsbook will give you matching bonus-bet credit up to $100. It works like this every day for up to 10 days, which could result in $1,000 in bonus bets via this terrific MLB sportsbook promo.

Customers in Arizona, Michigan, New Jersey and Pennsylvania can instead choose the Bet $30, Get $300 in Bonus Bets offer. Make a qualifying wager of $10 or more and get $100 in bonus-bet credit, guaranteed, each of your first three days as a new customer.

How to Claim The Fanatics Sportsbook Promo Code

1. ✅ Click the BET NOW button to get started.
2. ✅ When the Fanatics Sportsbook sign-up page appears, fill it out by giving some nominal personal information. There is no specific code to input as tapping BET NOW activates it.
3. ✅ There is a requirement that you show you are in a state where Fanatics Sportsbook operates and that you are 21+ years old.
4. ✅ Deposit at least $5 into your new Fanatics Sportsbook account.
5. ✅ Make an initial qualifying wager. If it loses, you will get your matching bonus-bet credit up to $100. You can do that for your first 10 days as a new customer.

bet365 MLB Betting Promo

The bet365 bonus code ROTOWIRE is the MLB sportsbook promo that grants you the choice between two introductory offers. The first of these is a first-bet safety net up to $1,000, with the second being a Bet $5, Get $150 in bonus bets deal.

How to Claim The bet365 Promo Code

1. ✅ Start by hitting a BET NOW button in this review.
2. ✅ The bet365 sign-up page requires items such as your name and address to create an account, so provide that and put ROTOWIRE into the bonus code box.
3. ✅ This can only be provided in states where bet365 is live and legal, so confirm your location in one of those states and verify you're 21+ years old.
4. ✅ Make an initial deposit of at least $10.
5. ✅ Pick between the first-bet safety net and Bet $5, Get $150 in bonus bets deal, then place your opening qualifying wager.

FanDuel MLB Betting Promo

FanDuel is an industry leader for many reasons, including the strength of the FanDuel promo code that has a Bet $5, Get $150 in bonus bets, with a win. There are few moving parts here, as all you need to do is create a new FanDuel account and make an initial wager of $5 or more. After you make your first bet, if it wins, you will get the bonus-bet credit in your account within 72 hours. Unlike some MLB betting sites and their welcome offers, there are no odds restrictions at FanDuel.

How to Claim The FanDuel Promo Code

1. ✅ Tap a BET NOW button to get this sign-up process rolling.
2. ✅ Complete the FanDuel sign-up page with your name, address and email address and other required info.
3. ✅ You will then need to verify through GPS where you are located so that FanDuel can confirm you are in a state where it operates. You'll also need to show that you are 21 or older.
4. ✅ This deal has a minimum initial deposit requirement of $5.
5. ✅ Place your qualifying first bet; if it's a winner, you will then get site credit in your account within 72 hours that you can break into as many bonus bets as you want.

DraftKings MLB Betting Promo

Immediate value can be had through the DraftKings promo code, as this offer gives new customers a Bet $5, Get $150 in bonus bets deal. The best part of this MLB betting bonus is that once you sign up for a new DraftKings account and make your initial wager, you will receive six $25 bonus bets in your DraftKings account. The bonus is distributed win or lose.

How to Claim The DraftKings Promo Code

1. ✅ Hit the BET NOW button.
2. ✅ The DraftKings account registration will then appear. Complete this form, but don't worry about typing in a specific promo code, as the BET NOW button takes care of that.
3. ✅ Complete a GPS process that shows you are located somewhere DraftKings operates, then provide information showing you are 21+ years of age.
4. ✅ There is a minimum $5 initial deposit requirement attached to this offer.
5. ✅ Find a bet you want to make and put at least $5 down on it. Do that and you will get $150 in bonus bets in your DraftKings account.

ESPN BET MLB Betting Promo

ESPN BET is one of the newer betting sites, but it has the powerful tie-in with the global sports company. Right now, bettors in Michigan, New Jersey and Pennsylvania can use the ESPN promo code ROTO for a Bet $10, Get $100 promotion.  

How to Claim The ESPN BET Promo Code

1. ✅ Click on a BET NOW button to get to an ESPN BET sign-up page.
2. ✅ This page asks for some basic items needed to create an ESPN BET account, so type those in and put the ESPN BET promo code ROTO in the promo code box.
3. ✅ To qualify for this offer, you will then need to show that you are located in a state where ESPN BET operates and that you are 21+ years old.
4. ✅ A $10 minimum initial deposit is the next step.
5. ✅ Once you have placed that deposit, make your initial wager. Enjoy profits if it wins, but if it loses, look for a bonus-bet refund to land in your account within 72 hours.

There are many factors that go into how we rank MLB betting promos and welcome offers, with the central focus on finding the deals that provide sports bettors with the highest value when signing up for MLB betting promotions. Below are four of the top ranking elements we take into account:

• Playthrough Requirements: The industry standard among MLB promos for playthrough requirements (which is how many times you need to win with a bonus bet before receiving cash profits) is one, and all of the MLB betting promotions here meet that requirement.
• Odds Requirements: Some MLB promos have odds requirements to qualify for bonus bets. When this is the case with an MLB betting bonus, we prefer to see reasonable odds requirements such as -500 or greater (as is the case with the Fanatics Sportsbook promo code).
• Peak value: This applies to both first-bet offers and bonus bets with an MLB betting bonus but is generally more relevant with first-bet offers because the peak value can vary by greater amount here.
• Bonus bet flexibility: Some of the best MLB betting promos allow you to break up bonus-bet credit into smaller wagers, while others may break it into five equal bonus bets. Some deliver the entire amount as a single bonus bet. We place a premium on flexibility here.

Every MLB sportsbook promo takes a different tack when it comes to which MLB sportsbook promos they offer. To help you determine which of these MLB betting bonuses are the best fit for your betting strategy, here is a primer on the most common types.

Odds Boosts

Odds boosts are a way that operators give you a payout increase on a specific wager. For example, if you are given an odds boost to use on MLB odds, it might provide a +200 odds payout on a team to win a game that they would normally have a +150 odds payout level.

Insurance

Bet insurance is most often provided in the area of parlays. To illustrate this, say you decide to make a four-leg parlay on MLB player props and three out of four of those legs land in the win column. This would result in this wager being settled as a loss without insurance, but if you had parlay insurance that kicked in if your parlay wager falls one leg short of a winner, you will then get a bonus bet refund of your loss amount. This is typically capped somewhere around $20 or $25.

Bet & Get

Bet-and-get deals are one of the most popular MLB sportsbook promo types because they give bonus bets in exchange for a small initial wager. This is one of the MLB promos that can pair well with MLB futures, because if you get bonus bets after initial bet placement (as is the case with the DraftKings promo code), you can place wagers of this nature and still get your bonus bets.

Profit Boost

Think of profit boosts as being just like odds boosts, except that instead of applying to a specific bet, a profit boost can be used on any wager. This can be very useful when combined with many betting strategies and is why savvy sports bettors like profit boosts.

No Deposit Bonuses

A no-deposit bonus is a way for operators to get customers to wager on their sites. They grant these customers bonus bets or other incentives simply for signing up. The no-deposit requirement makes it that much easier to get started, as you just need to create a new account to begin betting. These are typically only offered around state launches, but may be available around major events, such as the World Series.

Deposit Match Bonuses

This incentive type will match a deposit amount with an equal value of bonus bets. The difference between these bonus bets and other bonus bets is that these may have multiple playthrough requirements. These requirements must bet met before you can cash the deposit match bonus out.

Referral Bonus Codes

Betting can be more entertaining when it is done with friends, and referral bonus codes allow you to invite your friends to sign up for MLB betting promotions. Once your friends have created new accounts, both you and they will receive some type of incentive, which is usually bonus bets.

MLB World Series Bonus

The Fall Classic is a top event among sports bettors, which is why online sportsbooks often offer World Series bonus items. To qualify for these, you will need to place a qualifying wager on World Series odds.

It's easy to get an MLB betting bonus with MLB sportsbook promos, all you need to do is create a new account with any of the sportsbooks listed here. Here are some other benefits you can get from these MLB betting bonuses. You can also stack the benefits of these deals by signing up for more than one account, which also lets you compare odds when placing MLB bets.

1. ✔️ Just hit a BET NOW button next to the offer you want to sign up for.
2. ✔️ Go through the sign-up process and input the applicable bonus or promo code if requested.
3. ✔️ Confirm your location and age to meet know your customer (KYC) requirements and make the minimum initial deposit.
4. ✔️ Place a qualifying bet to land the MLB betting bonus associated with that sign-up offer.

Why Do Sportsbooks Offer MLB Betting Promotions?

Sportsbooks offer MLB betting promotions because they want new customers to try out their betting interfaces. These introductory offers allow those customers to do so with a minimum cash investment, and operators hope that the experience of making MLB bets will keep those customers coming back to place more wagers.

A number of US states offer legal MLB betting promos. For more information on how you claim the best MLB betting promo codes in your specific state, you can check out our state guides below:

Select baseball betting promo are also in:

• Washington DC
• Connecticut
• Florida (Hard Rock Bet only)
• Maine
• Montana (on-premises only)
• Nevada
• New Hampshire
• Oregon
• Rhode Island
• Vermont
• West Virginia
• Wyoming

It's great to have this wide variety of MLB betting promos, as it gives new customers many options to pick and choose from. This means that new customers should be able to find licensed and legal sites that they like, trust and enjoy wagering on baseball all summer long and through the postseason.

Click any of the BET NOW buttons located below to claim the best MLB sportsbook promotions in 2025.